acd: Fix deadlock in directory traversal code
acd: Fix deadlock in directory traversal code

jackschmidt/rclone,arcimboldo/rclone,yonjah/rclone,arcimboldo/rclone,arcimboldo/rclone,olihey/rclone,ncw/rclone,ncw/rclone,olihey/rclone,greendayo7/rclone,yonjah/rclone,greendayo7/rclone,greendayo7/rclone,jackschmidt/rclone,yonjah/rclone,kynikos/rclone,seuffert/rclone,olihey/rclone,yonjah/rclone,jackschmidt/rclone,olihey/rclone,seuffert/rclone,kynikos/rclone,seuffert/rclone,kynikos/rclone,ncw/rclone,B4dM4n/rclone,arcimboldo/rclone,jackschmidt/rclone,seuffert/rclone,kynikos/rclone,B4dM4n/rclone,B4dM4n/rclone,B4dM4n/rclone,greendayo7/rclone,ncw/rclone